Oracle white papersetting up oracle 11g data guard for sap customers efficient utilization of system resources a physical standby database can be used for backups and readonly reporting, thereby reducing the primary database workload and saving valuable cpu and io cycles. Sep 11, 2017 oracle 11g active data guard set up step by step o r a c. Data guard is the name for oracle s standby database solution, used for disaster recovery and high availability. Oracle dataguard how to resize redo log and standby redo. Data guard, physical standby implementation, step by step. Configure physical standby database oracle database 12c.
I think that dataguard come with ee and active dataguard is an option. A database can be upgraded either using dbua or manual method. This way of role transition where the current primary database starts behaving as a physical standby and on the other hand the current physical standby database starts behaving as a primary database. Each new release of oracle has augmented these disaster recovery features, and oracle database 11g expands them dramatically to include the capability to keep a standby database open for readonly queries while still accepting change vectors from the primary database. In remote dba services, these type of oracle errors are very critical to manage if you havent access of some commands or not having more knowledge of operating system commands. He has been working with oracle database since 1997 and is an oracle certified professional for 9i, 10g, and 11g database. In this article, i will show you the steps for dataguard configuration in 11gr2 standard edition. Oracle data guard configuration step by step in oracle 11g r2. On both the primary and standby sites, use oracle net manager to configure a listener for the respective databases. Oracle data guard ensures high availability, data protection, and disaster recovery for enterprise data. This oracle documentation was created as a support and oracle training reference for use by our dba performance tuning consulting professionals. Data guard is the name for oracles standby database solution, used for disaster.
Oracle license agreement, and, to the extent applicable, the additional rights set forth in far 52. Dataguard architecture and its components in oracle 11g. In this video im going to demonstrate you step by step guide to build data guard in oracle 11g. Dec 30, 2015 in this post i have demonstrated step by step approach to create an oracle 12c data guard active standby database. Create required groups for oracle instance using below queries. The managed recovery process mrp actually does the work of maintaining and applying the archived redo logs. Jed walker is the manager of database operations for the comcast media center in centennial colorado. Data guard physical standby setup in oracle database 11g release 2 data guard is the name for oracle s standby database solution, used for disaster recovery and high availability.
This exercise can be completed in a couple of hours if you have two servers with 10g oracle homes already installed, the step by step guide can be downloaded here. Install asm on linux with oracle 11g rdbms ocp technology. Create standby redo logs on the rac primary database to support the standby role. Sep 20, 2019 in this tutorial im using below softwares. We will start configuring the listeners, both in our primary database and in our standby database. Best practices for data guard and active data guard redo. Environment server database name production primary 172. Sep 19, 2007 this exercise can be completed in a couple of hours if you have two servers with 10g oracle homes already installed, the step by step guide can be downloaded here. Note that using enterprise manager grid control data guard physical standby can be implemented from the grid control console easily. Before starting the upgrade make sure oracle 12c database binary already installed on. Aug 20, 20 oracle data guard standard edition 11g as you know, oracle enterprise edition is very expensive. Oct 04, 20 in this article, i will show you the steps for dataguard configuration in 11gr2 standard edition. Mar 22, 2015 you will discover valuable tips and tricks for mastering your oracle database, and you can buy it for 30% off directly from the publisher.
Here we will provide steps for upgrading from 11gr2 to 12c database manually. In case of worst situation with data guard primary database, or not available for production than we can activated standby database as a primary production database. We can use it on oracle 11g ee and also not in 11g seseone. Data guard physical standby setup in oracle database 11g. Mar 19, 2012 how to setup active dataguard in oracle 11g the main advantage of setting up dataguard in 11g is that the database can be opened in readonly mode allowing the users to access the physical standby database for fetching reports and on the same time the physical standby database can be in recovery mode. It is not possible to resize the redo log or standby redo log srl dynamically. Its not focusing on transportation method, duplication method, protection modes nor extra functionality available for physical standbys.
Graceful switchover and switchback activity in dataguard. Log apply services apply the archived redo logs to the standby database. Jun 18, 2016 if the standby is also an oracle rac database, only one instance the apply instance will merge and apply changes to the standby database. Oracle data guard concepts and administration 11g release 2 11. We have primary and two standby database on this data guard environment. Quick guide to configuring oracle 11gr2 data guard physical.
You will get full details on implementing deployment architectures to address requirements that extend beyond disaster recovery. You will discover valuable tips and tricks for mastering your oracle database, and you can buy it for 30% off directly from the publisher. Oracle data guard concepts and administration, 11g release. To learn more about oracle configurations read configuring a physical standby with oracle dataguard. Oracle data guard concepts and administration, 11g release 2 11. Step by step process of configuring oracle 10gr2 10. Step by step oracle 11gr2 rac standby database manual failover step by step oracle 11gr2 rac standby database switchover step by step configuration of oracle 11gr2 two node rac dataguard setup step by step configuration of oracle cascading standby database step by step configuring dataguard on different operating systems heterogeneous. Oracle data guard is a crucial part of the insurance policy that guarantees against unrecoverable disasters. Data guard is the name for oracles standby database solution, used for disaster recovery and high availability. The oracle database 11g oracle active data guard service provides you with access to oracle experts who will work closely with you and your team to assist in your initial evaluation and adoption of the oracle active data guard to realize reduced cost savings, performance gains and simplified operations for your business. I indeed used it to install my oracle dataguard on solaris.
Instead of merging all threads of redo into a single apply process, multiple apply. Oracle 11g physical standby data guard failover steps data. Oraclebase data guard physical standby setup using the. The steps involve upgrading the logical standby database to the next release, running in a mixed mode to test and validate the upgrade, doing a role reversal. Cowritten by a team of oracle experts, oracle data guard 11g handbook provides a sound architectural foundation along with best practices for configuration, monitoring, maintenance, and troubleshooting. For more information see the oracle call interface programmer. To have the dataguard option, we require an enterprise edition. The recommended log switch frequency is at least once an hour.
Orneklerle oracle 11g r2 ve genel kavramlar oracle 11g r2 general concepts with examples was published as a book. Data guard, physical standby creation, step by step. May 11, 2012 step by step guide to build data guard in oracle 11g. The administrator can use standard switches to combine the bandwidth of multiple network adapters and. My next task is to test the switchover and failover scenarios without using the broker. Configuration of oracle 10g data guard pavan dbas blog. Upgrade database from 11g to 12c manually dbaclass dbaclass.
Create a server parameter file for the standby database. Oracle data guard concepts and administration oracle docs. We will configure a standby for a nonmultitenant database. The programs are not intended for use in any nuclear, aviation, mass transit, medical, or other inherently. Switchover in 12c is still the same, but new features have been incorporated and. If the apply instance fail for any reason, the apply process will automatically failover to a surviving instance in the oracle rac standby database when using the data guard broker. Dec 07, 2015 switchover is a two way process in oracle dataguard.
This document explains the step by step process of building the 11g r2 11. I have a production environment of oracle 11g r2 patchset 4 primary database configured with 2 standby machines. Once you have your primary database up and running these are the steps to follow. We are performing active duplicate of 11g feature, hence no need to take backup or copy to the standby server. Switchover is a two way process in oracle dataguard. Oracle data guard based replication of oracle databases. Technical architecture of 11g r2 rac primary to rac standby dataguard configuration. Oracle data guard standard edition 11g as you know, oracle enterprise edition is very expensive. I mean just using sqlplus can you pls provide me with simple instructions to do these 4 scenarios 1 switchover primary to standby and standby to primary 2 once the scheduled maintenance on originally primary and now. But for major production databases, it is better to do it manually, so that troubleshooting will be easy. Still, this exercise provide a degree of familiarity with data guard. Data guard physical standby setup in oracle database 11g release 2. Data guard, broker, observer and switchover, step by step.
How to setup active dataguard in oracle 11g shivananda rao. With 11g oracle has introduced the concept of active data guard with the possibility to query our physical standby database while it is constantly actualized to reflect the state of the primary database but with an extra charge. Swicthover activity check whether primary and standby databases are in sync or not. Oracle corporation and its affiliates will not be responsible for any loss, costs, or damages incurred due to your access to or use of thirdparty content, products, or services. Step by step approach to configure oracle 11g physical standby data guard on centos 6. Upgrade database from 11g to 12c manually dbaclass. This books was freely distributed to the oracle beginners in turkey and azerbaijan. How to setup active dataguard in oracle 11g the main advantage of setting up dataguard in 11g is that the database can be opened in readonly mode allowing the users to access the physical standby database for fetching reports and on the same time. Dec 28, 2009 oracle database 10g supports database software upgrades from oracle database 10g patchset 1 onwards in a rolling fashion, with near zero database downtime, by using data guard sql apply. Steps to configure oracle 11g data guard physical standby. A data guard configuration consists of one primary database and up to thirty standby databases. Awr is supported with active data guard standby databases as of oracle. Environment setup details primary database up and running on 4 node rac data files, ocr and voting disksin separate dg are in asm storage.
Best physical standby database for a failover operation 102. Oracle data guard provides a comprehensive set of services that create, maintain, manage, and monitor one or more standby databases to enable production oracle databases to survive disasters and data corruptions. Network configuration the primary database is connected to one or more standby databases using oracle net. Oracle database 10g supports database software upgrades from oracle database 10g patchset 1 onwards in a rolling fashion, with near zero database downtime, by using data guard sql apply. The databases in a data guard configuration are connected by oracle net and may be dispersed geographically. Apr 20, 2016 in this video im going to demonstrate you step by step guide to build data guard in oracle 11g. Oct 24, 2009 oracle database 10g supports database software upgrades from oracle database 10g patchset 1 onwards in a rolling fashion, with near zero database downtime, by using data guard sql apply. Oracle 11g active data guard set up step by step o r a c. Step by step guide to build data guard in oracle 11g. Oracle 11gr2 data guard physical standby part i author. In this article, we will see the steps of graceful switchover and switchback activity in dataguard.
To restart the listeners to pick up the new definitions, enter the following lsnrctl utility commands on both the primary and standby systems. Maa data guard 12c setup guide creating a rac physical. Stepbystep instructions for creating a logical standby database. Dataguard broker in oracle stepbystep work with the best. The manual switch over steps were tested in oracle 11. In this post i have demonstrated step by step approach to create an oracle 12c data guard active standby database. Oracle corporation and its affiliates are not responsible for and expressly disclaim all warranties of any kind with respect to thirdparty content, products, and services. This article contains an updated version of the 9i physical standby setup method posted here. Oracle data guard standard edition 11g database world. Explains the structure of a physical standby database with oracle data guard in an sap environment, indicating all the steps needed to successfully install and. How to resize redo log and standby redo log in oracle dataguard environment.
Aug 20, 2017 this document describes the configuration of the oracle data guard version 12. If the standby is also an oracle rac database, only one instance the apply instance will merge and apply changes to the standby database. Stepbystep instructions for creating a physical standby database. Oct 17, 2014 oracle 11g physical standby data guard failover. The enviroment 2 linux servers, oracle distribution 2. Step by step approach to create an oracle 12c data guard. Environment setup details primary database up and running on 4 node rac data files, ocr and voting disks in separate dg are in asm storage. This article presents how to configure physical standby database for oracle database 12c release 1 12. This document describes the configuration of the oracle data guard version 12.
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